UnityEditor.PreviewBlendTree.CreateStateMachine C# (CSharp) Method

        private void CreateStateMachine()
        {
            if ((this.m_AvatarPreview != null) && (this.m_AvatarPreview.Animator != null))
            {
                if (this.m_Controller == null)
                {
                    this.m_Controller = new AnimatorController();
                    this.m_Controller.pushUndo = false;
                    this.m_Controller.AddLayer("preview");
                    this.m_StateMachine = this.m_Controller.layers[0].stateMachine;
                    this.m_StateMachine.pushUndo = false;
                    this.CreateParameters();
                    this.m_State = this.m_StateMachine.AddState("preview");
                    this.m_State.pushUndo = false;
                    this.m_State.motion = this.m_BlendTree;
                    this.m_State.iKOnFeet = this.m_AvatarPreview.IKOnFeet;
                    this.m_State.hideFlags = HideFlags.HideAndDontSave;
                    this.m_Controller.hideFlags = HideFlags.HideAndDontSave;
                    this.m_StateMachine.hideFlags = HideFlags.HideAndDontSave;
                    AnimatorController.SetAnimatorController(this.m_AvatarPreview.Animator, this.m_Controller);
                    this.m_Controller.OnAnimatorControllerDirty = (Action) Delegate.Combine(this.m_Controller.OnAnimatorControllerDirty, new Action(this, (IntPtr) this.ControllerDirty));
                    this.m_ControllerIsDirty = false;
                }
                if (AnimatorController.GetEffectiveAnimatorController(this.m_AvatarPreview.Animator) != this.m_Controller)
                {
                    AnimatorController.SetAnimatorController(this.m_AvatarPreview.Animator, this.m_Controller);
                }
            }
        }